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/**
* Copyright 2012 Kjetil Ørbekk <kjetil.orbekk@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.orbekk.same.android.benchmark;
import java.io.IOException;
import java.net.UnknownHostException;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import android.app.Activity;
import android.os.Bundle;
import android.widget.Toast;
import com.google.protobuf.RpcCallback;
import com.orbekk.protobuf.Rpc;
import com.orbekk.protobuf.RpcChannel;
import com.orbekk.same.Services;
import com.orbekk.same.Types;
import com.orbekk.same.Variable;
import com.orbekk.same.Variable.OnChangeListener;
import com.orbekk.same.VariableUpdaterTask;
import com.orbekk.same.android.ClientInterfaceBridge;
import com.orbekk.same.android.SameService;
import com.orbekk.stats.Common;
import com.orbekk.stats.Experiments.Empty;
import com.orbekk.stats.Experiments.Experiment2;
import com.orbekk.stats.Experiments.SimpleTiming;
public class Experiment2Activity extends Activity {
private Logger logger = LoggerFactory.getLogger(getClass());
public static final int WARMUP_ITERATIONS = 2;
public static final int ITERATIONS = 50;
private ClientInterfaceBridge client;
private int warmupIterationsPerformed;
private int iterationsPerformed;
private volatile Timer timer;
private volatile VariableUpdaterTask<Integer> updater;
private volatile Variable<Integer> variable;
private volatile RpcChannel channel;
private OnChangeListener<Integer> changeListener =
new OnChangeListener<Integer>() {
@Override
public void valueChanged(Variable<Integer> variable) {
stopIteration();
if (iterationsPerformed < ITERATIONS) {
startIteration();
} else {
finalizeBenchmark();
}
}
};
private void startIteration() {
class Callback implements RpcCallback<Services.Empty> {
private Rpc rpc;
public Callback(Rpc rpc) {
this.rpc = rpc;
}
@Override public void run(Services.Empty response) {
if (response == null) {
logger.error("Benchmark failed: " + rpc);
}
}
}
Rpc rpc = new Rpc();
try {
Services.SystemService system = Services.SystemService.newStub(channel);
rpc.setTimeout(15000);
system.killMaster(rpc, Services.Empty.getDefaultInstance(), new Callback(rpc));
rpc.await();
Thread.sleep(200);
if (rpc.isOk()) {
logger.info("Master killed. Timing recovery.");
}
} catch (InterruptedException e) {
logger.error("Benchmark failed.");
e.printStackTrace();
}
timer.start();
variable.update();
updater.set(0);
}
private void finalizeBenchmark() {
Variable<List<String>> participants =
client.createVariableFactory().create(
".participants0", Types.STRING_LIST);
int numDevices = participants.get().size();
RpcChannel channel = null;
try {
RpcCallback<Empty> done = new RpcCallback<Empty>() {
@Override public void run(Empty response) {
}
};
channel = RpcChannel.create(Common.HOSTNAME, Common.PORT);
Experiment2 exp2 = Experiment2.newStub(channel);
int warmupIterationsLeft = WARMUP_ITERATIONS;
for (Long sample : timer.getTimes()) {
if (warmupIterationsLeft-- > 0) {
continue;
}
SimpleTiming timing = SimpleTiming.newBuilder()
.setTiming(sample)
.setNumDevices(numDevices)
.build();
Rpc rpc = new Rpc();
rpc.setTimeout(5000);
exp2.registerSample(rpc, timing, done);
rpc.await();
if (!rpc.isOk()) {
logger.warn("Could not register data: " + rpc.toString());
}
}
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
} finally {
if (channel != null) {
channel.close();
}
}
Toast.makeText(this, "Finished benchmark", Toast.LENGTH_LONG).show();
}
private void stopIteration() {
timer.stop();
if (warmupIterationsPerformed < WARMUP_ITERATIONS) {
warmupIterationsPerformed += 1;
logger.info("Recovered. Finished warmup iteration " + warmupIterationsPerformed + "/" + WARMUP_ITERATIONS);
} else {
iterationsPerformed += 1;
logger.info("Recovered. Finished iteration " + iterationsPerformed + "/" + ITERATIONS);
}
try {
Thread.sleep(5000);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
logger.error("Interrupted!");
e.printStackTrace();
}
}
@Override public void onCreate(Bundle savedBundle) {
super.onCreate(savedBundle);
}
public void onResume() {
super.onResume();
try {
channel = RpcChannel.create("localhost", SameService.PPORT);
} catch (UnknownHostException e) {
logger.error("Unable to create RPC channel.");
e.printStackTrace();
} catch (IOException e) {
logger.error("Unable to create RPC channel.");
e.printStackTrace();
}
// java.util.logging.Level level = java.util.logging.Level.FINEST;
// java.util.logging.Logger rpcLog = java.util.logging.Logger.getLogger(
// com.orbekk.protobuf.RequestDispatcher.class.getName());
// rpcLog.setLevel(level);
// java.util.logging.Logger channelLog = java.util.logging.Logger.getLogger(
// com.orbekk.protobuf.RpcChannel.class.getName());
// channelLog.setLevel(level);
// java.util.logging.Handler handler = new java.util.logging.ConsoleHandler();
// handler.setLevel(level);
// rpcLog.addHandler(handler);
// channelLog.addHandler(handler);
Toast.makeText(this, "Starting benchmark", Toast.LENGTH_LONG).show();
timer = new Timer(WARMUP_ITERATIONS + ITERATIONS);
warmupIterationsPerformed = 0;
iterationsPerformed = 0;
client = new ClientInterfaceBridge(this);
client.connect();
initializeVariable();
startIteration();
}
public void initializeVariable() {
variable = client.createVariableFactory()
.create("BenchmarkVariable", Types.INTEGER);
variable.addOnChangeListener(changeListener);
updater = new VariableUpdaterTask(variable);
updater.start();
}
public void onPause() {
super.onPause();
if (channel != null) {
channel.close();
}
updater.interrupt();
client.disconnect();
}
}
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